2441540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 5588352

約数和(自身を除く): 3146812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 167, 170, 172, 215, 334, 340, 430, 668, 731, 835, 860, 1462, 1670, 2839, 2924, 3340, 3655, 5678, 7181, 7310, 11356, 14195, 14362, 14620, 28390, 28724, 35905, 56780, 71810, 122077, 143620, 244154, 488308, 610385, 1220770, 2441540]

約数ペア:

[(1, 2441540), (2, 1220770), (4, 610385), (5, 488308), (10, 244154), (17, 143620), (20, 122077), (34, 71810), (43, 56780), (68, 35905), (85, 28724), (86, 28390), (167, 14620), (170, 14362), (172, 14195), (215, 11356), (334, 7310), (340, 7181), (430, 5678), (668, 3655), (731, 3340), (835, 2924), (860, 2839), (1462, 1670)]